From patchwork Thu Jan 20 21:40:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nathan Chancellor X-Patchwork-Id: 12719090 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 446A7C433F5 for ; Thu, 20 Jan 2022 21:40:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347479AbiATVkR (ORCPT ); Thu, 20 Jan 2022 16:40:17 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:34748 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231373AbiATVkR (ORCPT ); Thu, 20 Jan 2022 16:40:17 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E0B9EB81E66; Thu, 20 Jan 2022 21:40:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB7A2C340E3; Thu, 20 Jan 2022 21:40:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1642714814; bh=RK4Wx98CLevcla/neFB51ar1oynVV09cZXlwV/iBl0I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JCEpVAnxHTlYlDlnSydVPYCOExOZSkkZhdu2Z+23XnUf2NGCzgQvV5rbNiDdcHgkc zR0GdGJlKW0vIpkdwUgb3P940t99p88zslzsE237+o5IlakNO6DtK8+8KOxlLxb5I/ 5CY5z8mHvg5Dx7Ro3l87/0hpuLWuZB3T0q1/3bir7TRkUjw7BFhBlhK7V389inaArG IOzZd5LK6sJkwRfeznFpz1bPRCmWzbbqpjPP+Mid/STD729IGJOmuecNbzNssv0BQ8 uPmY9Ogw+6Kl4Tre5MmlD8DDuMCPZbi8ef2uC+yiZI8pdWCabxx4CE0yvwAmhY4PQg 18KSRheaLuDGw== From: Nathan Chancellor To: Huacai Chen , Jiaxun Yang , Thomas Bogendoerfer Cc: Nick Desaulniers , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, Nathan Chancellor Subject: [PATCH 2/2] MIPS: Loongson64: Wrap -mno-branch-likely with cc-option Date: Thu, 20 Jan 2022 14:40:01 -0700 Message-Id: <20220120214001.1879469-2-nathan@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220120214001.1879469-1-nathan@kernel.org> References: <20220120214001.1879469-1-nathan@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This flag is not supported by clang, which results in a warning: clang-14: warning: argument unused during compilation: '-mno-branch-likely' [-Wunused-command-line-argument] This breaks cc-option, which adds -Werror to make this warning fatal and catch flags that are not supported. Wrap the flag in cc-option so that it does not cause cc-option to fail, which can cause randconfigs to be really noisy. Signed-off-by: Nathan Chancellor Reviewed-by: Nick Desaulniers --- arch/mips/loongson64/Platform | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/mips/loongson64/Platform b/arch/mips/loongson64/Platform index 981d3abc150e..acf9edc9b15d 100644 --- a/arch/mips/loongson64/Platform +++ b/arch/mips/loongson64/Platform @@ -26,5 +26,6 @@ cflags-y += $(call cc-option,-mno-loongson-mmi) # Loongson Machines' Support # -cflags-$(CONFIG_MACH_LOONGSON64) += -I$(srctree)/arch/mips/include/asm/mach-loongson64 -mno-branch-likely +cflags-$(CONFIG_MACH_LOONGSON64) += -I$(srctree)/arch/mips/include/asm/mach-loongson64 +cflags-$(CONFIG_MACH_LOONGSON64) += $(call cc-option,-mno-branch-likely) load-$(CONFIG_CPU_LOONGSON64) += 0xffffffff80200000